On Tue, 4 Mar 2014 19:23:08 +0200
Imre Deak <imre.deak@xxxxxxxxx> wrote:
> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index c034842..39acffd 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -5213,6 +5213,12 @@ bool intel_display_power_enabled(struct drm_i915_private *dev_priv,
> return is_enabled;
> }
>
> +/*
> + * Starting with Haswell, we have a "Power Down Well" that can be turned off
> + * when not needed anymore. We have 4 registers that can request the power well
> + * to be enabled, and it will only be disabled if none of the registers is
> + * requesting it to be enabled.
> + */
> static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv)
> {
> struct drm_device *dev = dev_priv->dev;
> @@ -5578,12 +5584,6 @@ static void intel_power_domains_resume(struct drm_i915_private *dev_priv)
> mutex_unlock(&power_domains->lock);
> }
>
> -/*
> - * Starting with Haswell, we have a "Power Down Well" that can be turned off
> - * when not needed anymore. We have 4 registers that can request the power well
> - * to be enabled, and it will only be disabled if none of the registers is
> - * requesting it to be enabled.
> - */
> void intel_power_domains_init_hw(struct drm_i915_private *dev_priv)
> {
> /* For now, we need the power well to be always enabled. */
Reviewed-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
--
Jesse Barnes, Intel Open Source Technology Center
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